61982700 has 144 divisors (see below), whose sum is σ = 201820416. Its totient is φ = 14572800.

The previous prime is 61982681. The next prime is 61982759. The reversal of 61982700 is 728916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89355 + ... + 90045.

Almost surely, 2^61982700 is an apocalyptic number.

61982700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61982700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100910208).

61982700 is an abundant number, since it is smaller than the sum of its proper divisors (139837716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61982700 is a wasteful number, since it uses less digits than its factorization.

61982700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 61982700 is about 7872.9092462698. The cubic root of 61982700 is about 395.7523448958.

The spelling of 61982700 in words is "sixty-one million, nine hundred eighty-two thousand, seven hundred".